Home / 53,218.35-73,440.36-29,019.60

Finding the Fourth Proportional to 53,218.35, 73,440.36 and 29,019.60

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Solution

The fourth proportional to 53,218.35, 73,440.36 and 29,019.60 is: 40,046.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,218.35 : 73,440.36 = 29,019.60 : x
  2. Step 2: Convert to fraction form
    53,218.35/73,440.36 = 29,019.60/x
  3. Step 3: Cross multiply
    53,218.35x = 73,440.36 × 29,019.60
  4. Step 4: Simplify right side
    53,218.35x = 2,131,209,871.06
  5. Step 5: Solve for x
    x = 2,131,209,871.06/53,218.35
  6. Step 6: Final answer
    x = 40,046.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.